<!DOCTYPE html>
<html lang="zh_CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>属性、颜色、其它</title>
</head>
<body bgcolor="81BEF7">
    <a  id="u01" href="#" title="这是一个连接" class="t">连接</a>
    <img id="u02" src="baidu_log.png" alt="百度" title="这是一个图片">
    <input type="button" value="按钮类型的Input" disabled>
    <input type="radio" name="选择" id="cheked">
    <hr width="300" align="left"> 
    <a href="../index.html">返回首页(上一级路径)</a><br>
    <a href="/index.html">返回首页(完全路径)</a>
    <img src="风景.jpg" alt="">
    <img src="gen.svg" alt="">
    空格空&nbsp格
    &amp &copy &reg &l &gt
    &percnt;
    <br>
    <center>居中标签</center>
    <font color="red">字体颜色</font>
</body>
</html>